Christy received a loan of 1800 effective January 20 2021 with an interest rate of 7 5 and maturity da of August 29 2021 Christy made two partial payments 600 on February 5 2021 and 500 on May 15 2021 Use the United States Rule to determine the balance due on the loan at the date of maturity Amount due at maturity Round your answer to the nearest cent